improvement: all demo bugs fixed. give me more baby.
This commit is contained in:
211
frontend/src/components/ui/lab/LabCaseAttachmentsDialog.tsx
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211
frontend/src/components/ui/lab/LabCaseAttachmentsDialog.tsx
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'use client';
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import { useCallback, useEffect, useState } from 'react';
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import { useTranslations } from 'next-intl';
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import { Download, FileText } from 'lucide-react';
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import { DialogCloseButton } from '@/components/ui/shared/DialogCloseButton';
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import { Button } from '@/components/ui/shared/Button';
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import type { LabCaseAttachmentMeta } from '@/types/cases';
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interface LabCaseAttachmentsDialogProps {
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open: boolean;
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onClose: () => void;
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caseId: string;
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attachments: LabCaseAttachmentMeta[];
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loadBlob: (caseId: string, attachmentId: string) => Promise<Blob>;
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}
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function downloadBlob(blob: Blob, fileName: string) {
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const url = URL.createObjectURL(blob);
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const anchor = document.createElement('a');
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anchor.href = url;
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anchor.download = fileName;
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anchor.click();
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URL.revokeObjectURL(url);
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}
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function formatFileSize(bytes: number): string {
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if (bytes < 1024) return `${bytes} B`;
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const kb = bytes / 1024;
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if (kb < 1024) return `${kb.toFixed(1)} KB`;
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return `${(kb / 1024).toFixed(1)} MB`;
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}
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function AttachmentPreviewTile({
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caseId,
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attachment,
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loadBlob,
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onDownload,
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}: {
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caseId: string;
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attachment: LabCaseAttachmentMeta;
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loadBlob: (caseId: string, attachmentId: string) => Promise<Blob>;
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onDownload: (blob: Blob, fileName: string) => void;
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}) {
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const t = useTranslations('cases');
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const [url, setUrl] = useState<string | null>(null);
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const [blob, setBlob] = useState<Blob | null>(null);
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const [failed, setFailed] = useState(false);
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const [downloading, setDownloading] = useState(false);
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useEffect(() => {
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let cancelled = false;
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let objectUrl: string | null = null;
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void (async () => {
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try {
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const loaded = await loadBlob(caseId, attachment.id);
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if (cancelled) return;
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objectUrl = URL.createObjectURL(loaded);
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setBlob(loaded);
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setUrl(objectUrl);
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setFailed(false);
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} catch {
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if (!cancelled) setFailed(true);
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}
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})();
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return () => {
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cancelled = true;
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if (objectUrl) URL.revokeObjectURL(objectUrl);
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};
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}, [caseId, attachment.id, loadBlob]);
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const isImage = attachment.mimeType.startsWith('image/');
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const isPdf = attachment.mimeType === 'application/pdf';
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return (
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<article className="rounded-md border border-border bg-background p-3 space-y-3">
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<div className="aspect-[4/3] w-full overflow-hidden rounded-md border border-border/60 bg-background-secondary">
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{url && isImage ? (
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<img src={url} alt={attachment.fileName} className="h-full w-full object-contain" />
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) : url && isPdf ? (
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<iframe src={url} title={attachment.fileName} className="h-full w-full border-0" />
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) : (
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<div className="flex h-full w-full flex-col items-center justify-center gap-2 p-4 text-text-muted">
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<FileText className="h-10 w-10 shrink-0 icon-flat" aria-hidden />
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<span className="line-clamp-2 text-center text-xs">
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{failed ? t('attachmentPreviewUnavailable') : attachment.fileName}
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</span>
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</div>
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)}
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</div>
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<div className="flex items-start justify-between gap-3">
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<div className="min-w-0">
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<p className="text-sm font-medium text-text-primary truncate" title={attachment.fileName}>
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{attachment.fileName}
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</p>
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<p className="text-xs text-text-muted mt-0.5">
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{formatFileSize(attachment.sizeBytes)}
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</p>
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</div>
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<Button
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type="button"
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variant="outline"
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size="sm"
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className="shrink-0"
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disabled={!blob || downloading}
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onClick={() => {
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if (!blob) return;
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setDownloading(true);
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try {
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onDownload(blob, attachment.fileName);
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} finally {
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setDownloading(false);
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}
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}}
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>
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<Download className="h-4 w-4 me-1.5" />
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{t('downloadAttachment')}
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</Button>
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</div>
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</article>
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);
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}
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export function LabCaseAttachmentsDialog({
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open,
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onClose,
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caseId,
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attachments,
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loadBlob,
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}: LabCaseAttachmentsDialogProps) {
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const t = useTranslations('cases');
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const sortedAttachments = [...attachments].sort(
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(a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime(),
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);
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const handleDownload = useCallback((blob: Blob, fileName: string) => {
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downloadBlob(blob, fileName);
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}, []);
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const [downloadingAll, setDownloadingAll] = useState(false);
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const handleDownloadAll = useCallback(async () => {
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if (sortedAttachments.length === 0) return;
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setDownloadingAll(true);
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try {
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for (const attachment of sortedAttachments) {
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const blob = await loadBlob(caseId, attachment.id);
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downloadBlob(blob, attachment.fileName);
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}
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} finally {
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setDownloadingAll(false);
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}
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}, [caseId, loadBlob, sortedAttachments]);
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if (!open) return null;
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return (
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<div className="fixed inset-0 z-50 flex items-center justify-center p-4 bg-black/50">
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<div
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className="w-full max-w-3xl max-h-[90vh] overflow-y-auto rounded-[var(--radius-md)] border border-border bg-background-secondary p-6 shadow-xl space-y-4"
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role="dialog"
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aria-modal="true"
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aria-labelledby="case-attachments-title"
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>
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<div className="flex items-start justify-between gap-3">
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<div>
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<h2 id="case-attachments-title" className="text-lg font-semibold text-text-primary">
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{t('attachmentsDialogTitle')}
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</h2>
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<p className="text-sm text-text-muted mt-1">{t('attachmentsDialogSubtitle')}</p>
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</div>
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<div className="flex items-center gap-2 shrink-0">
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{sortedAttachments.length > 1 ? (
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<Button
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type="button"
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variant="outline"
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size="sm"
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disabled={downloadingAll}
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onClick={() => void handleDownloadAll()}
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>
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<Download className="h-4 w-4 me-1.5" />
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{t('downloadAllAttachments')}
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</Button>
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) : null}
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<DialogCloseButton onClick={onClose} />
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</div>
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</div>
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{sortedAttachments.length === 0 ? (
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<p className="text-sm text-text-muted">{t('noAttachments')}</p>
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) : (
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<div className="grid gap-4 sm:grid-cols-2">
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{sortedAttachments.map((attachment) => (
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<AttachmentPreviewTile
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key={attachment.id}
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caseId={caseId}
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attachment={attachment}
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loadBlob={loadBlob}
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onDownload={handleDownload}
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/>
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))}
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</div>
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)}
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</div>
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</div>
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);
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}
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